3n-7=-7-6n

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Solution for 3n-7=-7-6n equation: 



3n-7=-7-6n

We move all terms to the left:

3n-7-(-7-6n)=0

We add all the numbers together, and all the variables

3n-(-6n-7)-7=0

We get rid of parentheses

3n+6n+7-7=0

We add all the numbers together, and all the variables

9n=0

n=0/9

n=0

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